| Value | Category | Cases | |
|---|---|---|---|
| 1 | Normal | 353 |
65.1%
|
| 2 | Abnormal | 8 |
1.5%
|
| 3 | Repeat | 5 |
0.9%
|
| 98 | Don't know | 176 |
32.5%
|
| Sysmiss | 13360 |